shell.run("rm startup.lua")
shell.run("rm vector.lua")
shell.run("rm hub.lua")
shell.run("rm input.lua")
shell.run("rm a.lua")
shell.run("rm b.lua")
shell.run("wget https://gitee.com/jvn/file_server/raw/master/ship_ctrl3/start_up.lua startup.lua")
shell.run("wget https://gitee.com/jvn/file_server/raw/master/ship_ctrl3/a.lua a.lua")
shell.run("wget https://gitee.com/jvn/file_server/raw/master/ship_ctrl3/b.lua b.lua")
shell.run("wget https://gitee.com/jvn/file_server/raw/master/ship_ctrl3/input.lua input.lua")
shell.run("wget https://gitee.com/jvn/file_server/raw/master/ship_ctrl3/hub.lua hub.lua")
shell.run("wget https://gitee.com/jvn/file_server/raw/master/ship_ctrl3/vector.lua vector.lua")